Suggestions by @186fleetstreet

Sam Taylor Buck

as Artus in Chronicles of the Imaginarium Geographica

Score: +1

Anton Yelchin

as Older Artus in Chronicles of the Imaginarium Geographica

Score: +1

Alexander Vlahos

as Young Merlin in Chronicles of the Imaginarium Geographica

Score: +1

John Hurt

as The Cartographer of Lost Places in Chronicles of the Imaginarium Geographica

Score: +1

Paul McGann

as The Cartographer of Lost Places in Chronicles of the Imaginarium Geographica

Score: +1

Richard Speight Jr.

as Franklin Goldfarb in Kathy Rain: A Detective is Born

Score: +1

Kathryn Newton

as Eileen Summers in Kathy Rain: A Detective is Born

Score: +1

Olivia Luccardi

as Jessalyn Thornton in Nancy Drew: Ghost of Thornton Hall

Score: +1

Oded Fehr

as Captain Nemo in Chronicles of the Imaginarium Geographica

Score: +1

Margo Harshman

as Jessalyn Thornton in Nancy Drew: Ghost of Thornton Hall

Score: +2

Rutger Hauer

as Charles Wade in Kathy Rain: A Detective is Born

Score: +1

John Leeson

as Oscar in Syberia

Score: +1

Warwick Davis

as Hans Voralberg in Syberia

Score: +1

Peter Dinklage

as Hans Voralberg in Syberia

Score: +2

Joel Grey

as Hans Voralberg in Syberia

Score: 0

Paul Williams

as Hans Voralberg in Syberia

Score: +2

Sasha Alexander

as Kate Walker in Syberia

Score: +2

Anthony Hopkins

as Jimmy Cochran in Kathy Rain: A Detective is Born

Score: +1

Kiran Shah

as Youkal Chief in Syberia

Score: +1